Short what am I riddles

I live in the ocean. I like to eat crabs. I can change colors. My eight legs are called tentacles. I am an...

Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?

I travel all over the world, but always stay in my corner. What am I?

I travel all over the world. But I could not move, just stay in a same single spot. What Am I?

I have four legs and a long tail. I eat oats and hay. I love to run fast. I let people ride on my back. I am a...

You will always find me in the past. I can be created in the present, but the future can never taint me. What am I?

I am something to make you think, I am something to make you know. I am something to which the answer you might never know. What am I?

You can easily touch me, but not see me. You can throw me out, but not away. What am I?

I have a little house in which I live all alone. It has no doors or windows, and if I want to go out I must break through the wall. What am I?

If I drink, I die. If i eat, I am fine. What am I?